• San Francisco
  • Tanchang County

San Francisco (/ˌsæn frənˈsɪskoʊ/; Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California in the United States. The city proper is the fourth most populous in California and 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of 46.9 square miles (121 square kilometers), at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include SF, San Fran, The City, Frisco, and Baghdad by the Bay.

San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred by leading universities, high-tech, healthcare, FIRE, and professional services sectors. As of 2020, the metropolitan area, with 6.7 million residents, ranked 5th by GDP ($874 billion) and 2nd by GDP per capita ($131,082) across the OECD countries, ahead of global cities like Paris, London, and Singapore. San Francisco anchors the 13th most populous metropolitan statistical area in the United States with 4.6 million residents, and the fourth-largest by aggregate income and economic output, with a GDP of $669 billion in 2021. The wider San Jose–San Francisco–Oakland, CA Combined Statistical Area is the fifth most populous, with 9.5 million residents, and the third-largest by economic output, with a GDP of $1.25 trillion in 2021. In the same year, San Francisco proper had a GDP of $236.4 billion, and a GDP per capita of $289,990. San Francisco was ranked seventh in the world and third in the United States on the Global Financial Centres Index as of March 2022.

Dangchang County belongs to Longnan City, Gansu Province, located in the south of Gansu Province, northwest of Longnan City. Dangchang as a place name began in the Dangchang State established by Liang Qin in the Eastern Jin Dynasty, and changed to Dangzhou in the early Sui Dynasty. Since then, the organizational system has undergone many changes, and Dangchang County was officially established in 1954. Dangchang County has jurisdiction over 11 towns, 14 townships and 336 administrative villages, with a total area of 3331 square kilometers, a total population of 310400 and a resident population of 278700 (2017). Dangchang County is located in the crisscross zone between the Minshan Mountain system and the West Qinling Mountains on the edge of the Qinghai-Tibet Plateau, with an elevation of 1138-4154 meters above sea level, with a temperate continental climate, mild and humid climate, significant vertical climate, and great differences between the north and the south. Natural resources mainly include mineral resources, animal and plant resources, hydropower resources and so on. In 2017, Dangchang County completed production.
Travel Guides In Tanchang County
Travel Sights In Tanchang County
Travel Notes In Tanchang County
Travel Asks In Tanchang County
Travel Asks In Tanchang County